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9eff9fe3 | 1 | # getopt.m4 serial 10 |
8d99e09d | 2 | dnl Copyright (C) 2002,2003,2004,2005,2006 Free Software Foundation, Inc. |
9eff9fe3 PE |
3 | dnl This file is free software; the Free Software Foundation |
4 | dnl gives unlimited permission to copy and/or distribute it, | |
5 | dnl with or without modifications, as long as this notice is preserved. | |
6 | ||
7 | # The getopt module assume you want GNU getopt, with getopt_long etc, | |
8 | # rather than vanilla POSIX getopt. This means your your code should | |
9 | # always include <getopt.h> for the getopt prototypes. | |
10 | ||
11 | AC_DEFUN([gl_GETOPT_SUBSTITUTE], | |
12 | [ | |
13 | AC_LIBOBJ([getopt]) | |
14 | AC_LIBOBJ([getopt1]) | |
15 | gl_GETOPT_SUBSTITUTE_HEADER | |
16 | gl_PREREQ_GETOPT | |
17 | ]) | |
18 | ||
19 | AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], | |
20 | [ | |
21 | GETOPT_H=getopt.h | |
22 | AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], | |
23 | [Define to rpl_ if the getopt replacement functions and variables | |
24 | should be used.]) | |
25 | AC_SUBST([GETOPT_H]) | |
26 | ]) | |
27 | ||
28 | AC_DEFUN([gl_GETOPT_CHECK_HEADERS], | |
29 | [ | |
30 | GETOPT_H= | |
31 | AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h]) | |
32 | if test -z "$GETOPT_H"; then | |
33 | AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h]) | |
34 | fi | |
35 | ||
36 | dnl BSD getopt_long uses an incompatible method to reset option processing, | |
37 | dnl and (as of 2004-10-15) mishandles optional option-arguments. | |
38 | if test -z "$GETOPT_H"; then | |
39 | AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>]) | |
40 | fi | |
41 | ||
42 | dnl Solaris 10 getopt doesn't handle `+' as a leading character in an | |
43 | dnl option string (as of 2005-05-05). | |
44 | if test -z "$GETOPT_H"; then | |
45 | AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], | |
46 | [AC_RUN_IFELSE( | |
47 | [AC_LANG_PROGRAM([#include <getopt.h>], | |
48 | [[ | |
49 | char *myargv[3]; | |
50 | myargv[0] = "conftest"; | |
51 | myargv[1] = "-+"; | |
52 | myargv[2] = 0; | |
53 | return getopt (2, myargv, "+a") != '?'; | |
54 | ]])], | |
55 | [gl_cv_func_gnu_getopt=yes], | |
56 | [gl_cv_func_gnu_getopt=no], | |
57 | [dnl cross compiling - pessimistically guess based on decls | |
58 | dnl Solaris 10 getopt doesn't handle `+' as a leading character in an | |
59 | dnl option string (as of 2005-05-05). | |
60 | AC_CHECK_DECL([getopt_clip], | |
61 | [gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes], | |
62 | [#include <getopt.h>])])]) | |
63 | if test "$gl_cv_func_gnu_getopt" = "no"; then | |
64 | GETOPT_H=getopt.h | |
65 | fi | |
66 | fi | |
67 | ]) | |
68 | ||
69 | AC_DEFUN([gl_GETOPT_IFELSE], | |
70 | [ | |
71 | AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) | |
72 | AS_IF([test -n "$GETOPT_H"], [$1], [$2]) | |
73 | ]) | |
74 | ||
75 | AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])]) | |
76 | ||
77 | # Prerequisites of lib/getopt*. | |
78 | AC_DEFUN([gl_PREREQ_GETOPT], [:]) | |
d7b7f3c4 MB |
79 | |
80 | ifelse(dnl Do not change this comment | |
81 | arch-tag: 6c64a021-551c-4a7f-9c63-cd7e1ce54707 | |
82 | )dnl |